en 10241

STD-BSI ES EN L0214L-ENGL 2000 II L b 2 4 b b 9 08584L4 270

BRITISH STANDARD

Steel threaded pipe fittings

The European Standard EN 10241:2000 has the status of a British Standard

ICs 23.040.40

BS EN 10241:2000

NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMWïED BY COPYRIGHT LAW

COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesCOPYRIGHT European Committee for StandardizationLicensed by Information Handling Services

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STD.BS1 BS EN 10241-ENGL 2000 Lb 2 4 b b 7 0858435 307

BS EN 10241:2000

National foreword This British Standard is the officiai English language version of EN 10241:2000. It supersedes BS 1740-1:1971 which is withdrawn

The UK participation in its preparation was entrusted to Technical Committee ISEAS, Ferrous pipe fittings (excluding cast iron), which has the responsibility to:

- aid enquirers to understand the text;

- present to the responsible European committee any enquiries on the

- monitor related international and European developments and promulgate

interpretation, or proposals for change, and keep the UK interests informed

them in the UK

A list of organizations represented on this committee can be obtained on request to its secretary.

Cross-references

The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Intemationai Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue.

A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application.

Compliance with a British Standard does not of itself confer immunity from legal obligations.

Summary of pages This document comprises a front cover, an inside front cover, the EN titie page, pages 2 to 31 and a back cover.

The BSI copyright notice displayed in this document indicates when the document was last issued.

This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 July 2000

Amendments issued since publication

Amd.No. IDate I comments

0 BSI 07-2000

ISBN O 580 34812 1


STD.BS1 BS EN L024L-ENGL 2000 I Lb24bbî 08584Lb 043

EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

EN 10241

April 2000

ICs 23.040.40

English version

Steel threaded pipe fittings

Raccords filetes en acier Stahlfittings mit Gewinde

This European Standard was approved by CEN on 29 March 2000

CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning sich national standards may be obtained on application to the Central Secretariat or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by traislation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as tie official versions.

CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Noway, Portugal, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITEE FOR STANDARDIZATION C O M I T E EUROPEEN D E N O R M A L I S A T I O N EUROPÄISCHEC KOMITEE FOR N O R M U N G

Central Secretariat: rue de Stassart, 36 B-1050 Brussels

Q 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.

Ref. No. EN 10241:2000 E


Page 2 EN 10241 :2000

Contents

Foreword ............................................................................................................................................................. 3

1

2

3

4

5 5.1 5.2

6 6.1 6.2 6.3 6.3.1 6.3.2 6.4

7 7.1 7.2 7.2.1 7.2.2 7.2.3

8 8.1 8.2 8.2.1 8.2.2 8.2.3

9 9.1 9.1.1 9.1.2 9.2 9.2.1 9.2.2

10

11

12

Scope ..................................................................................................................................................... -4

Normative references ......................................................................................................... .... .............. 4

Terms and definitions ........................................................................................................ - .................. 4

Designation .................................................................................................................. I ......................... 5

Mandatory information ..................................................................................................... .- .................. 5 Information to be supplied by the purchaser ..................................................................................-.. 5

Options .................................................................................................................. ..- .............................. 5

Technical requirements ..................................... ..................................................................-................ 6 Fitting manufacture ........................................................................................................-...................... 6 Surface condition .................................................................................................................................. 6 Material ............................................................................................................... ....- ............................... 6 Chemical composition .......................................................................................................................... 6 Mechanical properties ....................................................................................................-..................... 6 Threads ....................................................................................................................-............................. 7

Dimensions and tolerances ................................................................................................................. 7 Dimensions ............................................................................................................................................ 7 Tolerances ................................................................................................................. - 7 Tolerances on length of fitting ............................................................................................................ 7 Tolerances on diameters ...................................................................................................................... 8 Tolerance on threads .....................................................................................................-...................... 8

Protection .......................................................................................................... ........._.............. ............ 8 General ....................................................................................................................-.............................. 8 Zinc protective coating ....................................................... .................................................................. 8 Hot dip zinc galvanizing ................................................................................................. - ..................... 8 Electro zinc plating ............................................................. .................................................................. 8 Zinc flake .............................................................................. ................................................................... 8

Inspection and testing .......................................................................................................................... 8 Leaktightness test .........................................................................................................-....................... 8 Hydrostatic test ................................................................... ......................................_........................... 8 Air test .................................................................................................................................................... 9 Inspection of thread .............................................................................................................................. 9 Inspection method ............................................................. i ..........................................-................. ...... 9 Thread electro zinc plating .................................................................................................................. 9

Marking .................................................................................................................................................. 9

Inspection documents .......................................................................................................................... 9

...........................

Packaging ....................................................................................... ........................................................ 9

Annex A (informative) Thread designation and nominal size ................................................................... 31

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STD.BSI BS E N 30241-ENGL 2000 9 l i b 2 4 b b î 0858438 9Lb m

Page 3 EN 10241 :2000

Foreword

This European Standard has been prepared by Technical Committee ECISSTTC 29, Steel tubes and fittings for steel tubes, the Secretariat of which is held by UNI.

This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2000, and conflicting national standards shall be withdrawn at the latest by October 2000.

According to the CENICENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.

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STD*BSI BS EN 1024L-ENGL 2000 Lb2Libb9 0858419 852

Page 4 EN 10241 2000

I Scope

This European Standard specifies requirements for threaded fittings of nominal sizes from DN 6 to DN 150 inclusive, made out of welded or seamless steel tubes, forging and rolled bars. It is applicable to those threaded steel pipe fittings that are used in the transportation and distribution of liquid or gas.

2 Normative references

This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporate in it by amendments or revision. For undated references, the latest edition of the publication referred to applies (including amendments).

EN 10204, Metallic products - Types of inspection documents.

EN IS0 6708, Pipework components - Definition and selection of DN (nominal size) (IS0 6708:1995).

IS0 7-1 ’), Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designa tion.

IS0 7-2’), Pipe threads where pressure-tight joints are made on the threads - Patt 2: Verification by means of limit gauges.

IS0 228-1, Pipe threads where pressure-tightjoints are not made on the threads - Part 1: Dimensions, tolerances and designation.

IS0 228-2, Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges.

3 Terms and definitions

For the purposes of this standard, the following terms and definitions apply:

3.1 nominal size (DN) DN: as defined in EN IS0 6708

NOTE The comparison between the thread size designation and the nominal size (DN) is given in Table A. l for information only.

3.2 seamless fitting fitting manufactured from seamless tube, forging or rolled bar

3.3 fabricated fitting fitting manufactured either from a weldt d tube or where the welding forms part of the fabrication of the fitting

3.4 tubular fitting manufactured from medium or heavy pipe as defined in Table 6. These fittings are defined in Tables 21 to24

’) European Standards are under development (series EN 10226). When published, they may be agreed at the time of enquiry andior order.

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STD.BS1 BS EN 10241-ENGL 2000 l b 2 4 b b î 0858420 574 E

Page 5 EN 10241 :2000

4 Designation

The fitting in accordance with this European Standard shall be designated by the following in the sequence shown:

1) type of fitting (see Tables 7 to 24);

2) reference to this European Standard (EN 10241);

3) either nominal size (DN), or thread size.

Fittings which have the same nominal sizes (DN) are designated only with that DN (see example 1).

EXAMPLE 1:

For an equal female elbow with DN 50 run, the designation will be:

Elbow - EN 10241 - DN 50

Fitting which has differing nominal sizes shall be shown as in the sequence 1-2 where 1 refers to the run and 2 refers to the branch or the reduction (see examples 2 and 3).

EXAMPLE 2:

For a reducing tee with DN 50 run and DN 25 branch, the designation will be:

Reducing tee - EN 10241 - DN 50 x DN 25

EXAMPLE 3:

For a bush with DN 40 and a reduction DN 25, the designation will be:

Bush - EN 10241 - DN 40 x DN 25

5 Information to be supplied by the purchaser

5.1 Mandatory information

The following information shall be supplied by the purchaser, at the time of enquiry and/or order:

1) the quantity to be delivered;

2) the designation (see clause 4).

5.2 Options

A number of options are specified in this European Standard and they are listed below.

In the event that the purchaser does not indicate a wish to implement any of these options at the time of enquiry and/or order, the fittings shall be supplied in accordance with the basic specification.

1) Taper internal thread type Rc conforming to IS0 7-1

2) Parallel external thread type GA or GB conforming to IS0 228-1

3) Parallel internal thread type G conforming to IS0 228-1

4) Zinc protective coating (see 8.2)

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STD.BS1 BS EN 30241-ENGL 2000 E 1624669 0858423 400 H

%

0,25

Page 6 EN 10241 :2000

% %

0,35 0,09

5) Leaktightness test (see 9.1)

C max. %

0,25

6) Special packaging (see clause 11)

7) Inspection document 2.1 (see clause 12)

Mn max. P max. S max. % % %

1,40 0,045 0,045

6 Technical requirements

C max. %

0,25

6.1 Fitting manufacture

Dimensions and tolerances of differing types of fittings shall be as given in Tables 5 to 24.

Mn max. P max. S max. % % %

1,40 0,045 0,045

6.2 Surface condition

Tensile stren th min. N/mm

320

B

The fitting shall have a smooth surface consistent with the manufacturing process and be free from burrs; surface marks may be ground. Unless otherwise specified in the Tables 11 and 12, the female thread entrance shall be chamfered.

Elongation min. %

20

Repairs by welding, other than the weld seam, are forbidden.

6.3 Material

6.3.1 Chemical composition

The fitting shall be manufactured from steel having the chemical composition indicated in Tables 1 and 2.

Table i - Chemical composition of seamless steel fittings

I C max. I S max. I P max. I

6.3.2 Mechanical properties

The fitting shall be manufactured from base material having the mechanical properties indicated in Tables 3 and 4. These properties shall 7ot be subject to verification on the fitting.

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STD.BSI BS EN L024L-ENGL 2000 111 Lb24bb ï 0858422 347 9

Tensile stren th min. Yieds strength min. N/mm B N/mm2

320 195

Page 7 EN 10241 :2000

Elongation min. %

20

Over65 Over75 to 75 to 150

+6,0 +8,0

O O

6.4 Threads

Over 150

+10,0

O

Internal threads shall be parallel and external threads shall be taper conforming to IS0 7-1, except for certain tubulars in Tables 21, 23 and 24 or wfien the purchaser specifies other types of thread (see 5.2, option 1 or 2 or 3); in this case the type of thread chal1 be identified.

+1,5

O Tolerance

7 Dimensions and tolerances

+3,0 +4,5

O O

7.1 Dimensions

Fittings shall have the appropriate dimensions given in Tables 6 to 24.

7.2 Tolerances

When tolerances are not specified in Tables 5 to 24, dimensions are nominal and subjected to manufacturing tolerances.

7.2.1 Tolerances on length of fiturig

The tolerances on the overall lenglh. of the fitting, centre to face, centre to centre and back to face dimensions are given in Table 5.

Table 5 - Tolerances

Dimension Up to and Over 25 Over 40 including 25 1 to40 1 to65

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STD.BS1 BS EN L O 2 4 L - E N G L 2000 H Zb24bbî 0858423 283 II

Page 8 EN i0241 :2000

7.2.2 Tolerances on diameters

Unless otherwise stated in tables, the tolerances on outside diameters are given in Table 6.

7.2.3 Tolerance on threads

The axis of screw threads shall be accurate within -t0,5" of the specified angle for fittings described in Tables 7 to 23 and Il 3" for fittings described in Table 24.

8 Protection

8.1 General

The fitting shall be supplied black and shall be protected by a protective coating, e.g. light oil.

8.2 Zinc protective coating

When a zinc protective coating is specified by the purchaser (see 5.2, option 4), one of the methods given in 8.2.1 to 8.2.3 shall be applied, at the discretion of the manufacturer.

8.2.1 Hot dip zinc galvanizing

Galvanizing of fittings shall be performed before the thread cutting operation and shall be by means of the hot dip method. The minimum average coating thickness shall be 55 prn on the outside of the fitting, with a local average of 45 pm on 100 mm2.

The hot dip zinc bath shall contain not less than 98,5 % pure zinc.

8.2.2 Electro zinc plating

Electro zinc plating shall be performed on the finished black fitting. The minimum coating thickness on the outside of the fitting shall be 8 pm.

8.2.3 Zinc flake

Zinc flake non-electrolically applied cured coating shall be performed on the finished black fitting. The coating thickness on the outside of the fitting shall be between 5pm to 1 O pm.

NOTE The zinc coating thickness can be checked with an electronic and/or magnetic appliance.

9 Inspection and testing

9.1 Leaktightness test

Each fitting, after being threaded, shall be capable of withstanding, without any signs of leak hydrostatic or air test as specified in clauses 9.1.1 and 9.1.2. This test shall only be carried c specified by the puchaser at the time of enquiry and/or order (see 5.2, option 5).

9.1 .I Hydrostatic test

Hydrostatic test, using water or light oil as a medium.

9.1.1.1 Tubulars

9, the when

These shall be tested to a minimum internal pressure of 50 bar.

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STD.BSI B S EN L024L-ENGL 2000 m Lb24bbY 0858424 LLT m

Page 9 EN 10241 :2000

9.1.1.2 Fabricated fittings

These shall be tested to a minimum internal pressure of 75 bar.

9.1.1.3 Seamless fittings

These shall be tested to a minimum internal pressure of 150 bar

9.1.2 Air test

Air test, with the fitting fully immersed in water or light oil as a medium.

Tubulars, fabricated fittings and seamless fittings shall be tested to a minimum internal air pressure of 7 bar.

9.2 Inspection of threads

9.2.1 Inspection method

Threads manufactured in accordance with IS0 7-1 shall be verified in accordance with IS0 7-2.

Threads manufactured in accordance with IS0 228-1 shall be verified in accordance with IS0 228-2.

9.2.2 Thread electro zinc plating

Where fittings have been electro zinc plating, this can result in the thread being covered in uneven particles of zinc; these particles may be removed with a plug or a brush.

10 Marking

The manufacturer's brand or logo shall, depending on the size of fittings, either be applied on a label attached on the packaging or be marked indelibly on each fitting.

II Packaging

Unless special packaging is specified by the purchaser at the time of enquiry and/or order (see 5.2, option 6), fittings shall be supplied, either singly or in sacks or bags.

12 Inspection documents

Fittings shall be delivered without an inspection document.

At the request of purchaser (see 5.2, option 7) , the manufacturer shall provide a certificate of compliance, in accordance with EN 10204 type 2.1.

O BSI 07-2000


STD.BS1 BS EN L024L-ENGL 2000 9 Lb24bb9 0858425 05b 9

Outside diameter of body behind external

thread

2’ mm

min. max.

9 3 10,6 13,2 14,O 16,7 17,5

21 ,o 21,8 26,5 27,3

Page 10 EN 10241 :ZOO0

Maximum inside Pipe thickness diameter of body

behind internal thread

2’ f” mm mm

Medium Heavy

8,6 2,o 2,6 11,4 2,3 2,9 15,O 2,3 2,9

18,6 2,6 3 2 24, I 2,6 3 2

Table 6 - Threaded ends of fitting

Nominal size

DN

Minimum outside diameter

D’)

mm

33,3 34,2 30,3 3 2 4,O

125 150

42,O 47,9 59,7

151,O 178,O

42,9 48,8 60,8

I

75,3 88,O 113,l

External taper thread (R)

76,6 72,2 3,6 4,5 89,5 84,9 4,o 5,o 115,O 110,l 4 s 5,4

80 1 100 98,O 124,O

138,5 163,9

39,O 44,8 56,5

140,8 166,5

135,5 160,9

1) minimum outside diameters of equal sizes of socket and half socket are given in Tables 11 and 12.

2) minimum is applicable. 3) The value d is not applicable to bushes described in Table 15.

4) Wall thickness tolerances for tubulars shall be:

The outside diameter D is a minimum for all fittings except equal sizes of socket and half socket. The

E are minimum and maximum diameters for tubulars in Tables 21 to 24; for other fittings, only the

- no limit in plus; - 12.5 % minus.

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STD-BSI BS EN 10241-ENGL 2000 I 1624669 0858426 T92 M

l l

Page 1 1 EN 10241 :2000

--

Table 7 - Elbow, tee and cross, equal

A h h

I \ I 4 U a I i

Y V \/ I I I\

I I

L I \

. - -+ - - - Y r d

< A i- A A - - I

V -

Nominal size

mm

Centre to face

6 8 10

DN

16 22 24

A

15 20 25

32 35 43

32 40 50

51 52 64

I

65 80 I O0

76 89 115

125 150

140 160

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STDaBSI BS EN L024L-ENGL 2000 m Lb24bb7 0858427 527 E

I

Page 12 EN 10241 :2000

l

Table 8 - Elbow, equal 45 degrees

Nominal size

DN

10

15 20 25

32 40 50

65 80 I O0

125 150

A

Centre to face

A

mm

19

22 27 33

38 44 51

59 66 77

87 92

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STD-BSI BS EN L024L-ENGL ZUUU W I1624669 0858428 865

Nominal size

DN

Page 13 EN 10241 :2000

Centre to face Centre to face Bore of male end

A B

mm mm mm

Table 9 - Elbow, male and female, equal

I

8 10

15 20 25

32 40 50

65 80

1 O0

min. max.

19 27 6 3 8,O 21 29 8 3 10,5

25 35 113 13,O 30 40 18,O 21 ,o 37 46 24,O 26,O

43 54 30,O 32,O 49 57 37,O 39,O 59 70 48,O 51 ,O

68 83 62,O 66,0 81 94 75,O 79,0 1 O0 115 97,O 104,O

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STD.BS1 BS EN LOZ4L-ENGL 2000 I Lb24bb9 0858429 7TL

Nominal size

DN 1 x DN 2

Page 14 EN 10241 2000

Centre to face Centre to face Nominal size

A B D N I x D N 2

mm mm

Table 10 - Tee, reducing on the branch

Centre to face

2

I

Centre to face

1-

10 x 8’)

I I

50 x 15’)

50 x 20’) 22 24

41 44 48

52

56

54 60

67

60 64 67 73 79

76

83 95

120

135

64 64 64

64

64

76 76

76

89 89 89 89

89

115

115 115

160 160

15x 8 15x 10

20x 8

20x 10

20x 15

25 x 8”

25 x IO ’ )

25x 15 25 x 20

32 x 15 32 x 20

32 x 25

40 x 15’) 40 x 20

40 x 25 40 x 32

25 32 50 x 25 27 32 50 x 32

27 35 50 x 40

29 35 65 x 25 32 35 65 x 40

30 43 65 x 50

32 43 80 x 25 35 43 80 x 32 38 43 80 x 40

38 51 80 x 50 41 51 80 x 65

44 51 100 x 40

38 52 100 x 50 41 52 I00 x 80

44 52 150 x 80 49 52 150 x 100

A

mm

B

mm

1) Bushed tees may be supplied instead.

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STD.BSI BS EN 10241-ENGL 2000 Lb24bb ï 0858430 4L3

Page 15 EN 10241 :2000

Table 11 - Socket and half socket, equal, type heavy

/’

Socket Half socket

1 Faced at right angle to axis of thread. No internal chamfer.

Overall length of socket Overall length of half socke 7r-l-T Nominal size

DN

Minimum outside diameter

A

mm

6 8

10

15,O 18,5 22.0

8 II 12

19 27 28

37 39 46

27,O 32,5 393

15 20 25

16 19 21

32 40 50

49,O 56,O 68,O

25 25 28

51 51 60

69 75 87

65 80

1 O0

84,O 98,O

124,O

30 35 40

125 150

151,O 177,O

96 96

44 44

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STD-BSI BS EN L024L-ENGL 2ûOO H Lb24bb9 0858Y3L 35T m

146,3 173,3

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Page 16 EN 10241 :2000

Table 12 - Socket and half socket, equal, type medium

c Half socket

B

Socket

I Faced at right angle to axis of thread. No internal chamfer

Nominal size

DN

Minimum outside diameter of socket

Overall length of socket

Minimum outside diameter of half

socket

Overall length of hali socket

A

mm

B

mm

C D

mm mm

6 8

10

15,O 18,5 21,3

17 25 26

15,O 18,5 21,3

8 11 12

15 20 25

26,6 31,8 393

34 36 43

26,6 31,8 39,5

15 17 20

48,3 543 66,2

32 40 50

48 48 56

48,3 543 68,O

22 22 26

65 80

1 O0

82,O 95,O

121,4

65 71 83

84,2 98,4

124.0

30 34 40

125 150

92 92

149,O 177,O

44 44

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STD-BSI B S EN L024L-ENGL 2000 i 1624667 0858432 296

Nominal size

DN 1 x DN2

8 x 6

l o x 6 l o x 8

15x 6

15x 8

15x 10

20x 8 20x 10

20x 15

25x 8 25x 10 25x 15 25 x 20

32x 10

32 x 15 32 x 20 32 x 25

40x 15

40 x 20 40 x 25 40 x 32

1) The shape of

Page 17 EN 10241:2000

Overall length Nominal size Overall length

A D N I x D N 2 A

mm mm

25 50x 15 70 50 x 20 68

30 50 x 25 67

29 50 x 32 65

41 50 x 40 64

40 65 x 25 76 38 65 x 32 75

44 65 x 40 73 43 65 x 50 71

41 80 x 25 86 54 80 x 32 84

52 80 x 40 83 51 80 x 50 81 49 80 x 65 79

60 100 x 40 105

59 100 x 50 1 O0 57 100 x 65 1 O0 56 100 x 80 98

65 125 x 80 115

64 125 x100 115

62 150 x 80 140 60 150 x100 140

reducing socket shall be at the option of the manufacturer.

Table 13 - Reducing socket')

1 - 2 1 - 2

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STD-BSI BS EN L02LiL-ENGL 2000 1111 L b 2 4 b b 9 0858433 122

11 13 14

Page 18 EN 10241 :2000

59 61 68

Table 14 - Hexagonal nipple, equal

30,O 37,O 48,O

L L

32,O 39,O 51,O

thread for basic gauge length plus

die clearance

65 80 1 O0

125 150

I

32,O 16 80 35,O 19 89 40,O 22 102

45,O 25 115 45,O 25 115

Thickness of Overall lengtl hexagon

15 20 25

173 19,o 21 ,o

8 10 10

43 48 52

32 40 50

24,O 24,O 27,O

1 Diameter of bore Width across

flats of hexaga

C B

mm mm

14,0 8,5 I 10,5 1 17,O I 13,O I 1 1 3 18,O 21,O 27,0 24,O 26,O

46,0 50,0 65,0

78,0 90,0 115,0

140,0 166,0

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S'ïD.BS1 BS EN 10241-ENGL 2000 II Lb24bb9 06581434 Ob9

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32 40 50

65 80 I O0

Page I 9 EN 10241 :2000

24,O 24,O 27,O

32,O 35,O 40,O

Table 15 - Hexagon bush

11 13 14

16 19 22

1 Thread length in accordance with IS0 7-1.

35,O 46,O 37,O 50,O 41 ,O 65,O

48,O 78,O 54,O 90,o 62,O 1150

Nominal size

DN')

Minimum length of external thread for basic gauge length plus die clearance

1

8 10

12,5 125

15 20 25

17,5 19,o 21.0

125 150

45,O 45,O

I

hickness of hexagon1 Overall length I Width across flats o hexagon

6 8

18,s 20,5

14,O 17,O

8 10 10

25,5 29,O 31 ,O

22,o 27,O 36,O

25 25

70,O 70,O

140,O 166,O

I I

1) of the bush is stated by the purchaser.

NOTE Two types of bush are illustrated, either of which can be supplied.

Nominal sizes refer to the size of male end, ¡.e. the larger diameter of the bush. The smaller diameter

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STD.BSI BS EN 10241-ENGL 2000 H 1624669 0858435 T T 5 E

S

mrn

Page 20 EN 10241 :2000

H

mm

Table 16 - Square head plug

Nominal size

DN

6

Minimum length of thread for basic gauge length

L

mm

6 3 9,7

10,l

13,2 14,5 16,8

19,l 19,l 23,4

26,7 29,8 35,8

40,l 40,l

Size of square Minimum height of square

6 9

11

6 6

10

13 14 17

10 12 12

22 27 32

16 16 19

37 37 46

19 22 25

51 60

29 32

I

NOTE Plugs may be provided with a shallow concave recess in the base, so long as the essential solidity of the plug is maintained.

I

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STDIBSI BS EN 1,0241-ENGL 2000 O L624669 085843b 931 m

Page 21 EN 10241 :2000

Table 17 - Hexagon head plug

Nominal size

DN

6 8 10

15 20 25

32 40 50

65 80 I O0

Minimum length of thread for basic gauge length plus

die clearance

L

mm

Size of hexagon

B

rnm

9,5 12,5 12,5

12 14 17

1 17,5 19,0 21 ,o

22 27 36

24,O 24,O 27,O

32,O 35,O 40.0

46 50 65

78 90

115

illhimurn height of hexagoi

T

rnm

6 6 a

8 10 10

11 13 14

16 19 22

O BSI 07-2000


STD.BS1 BS EN 10241-ENGL 2000 I 1624669 0858437 878 I

Nominal size Overall length

DN A

mm

6 37 8 40

10 46

15 51 20 57 25 64

32 70 40 79 50 89

65 102 80 107

1 O0 118

Page 22 EN 10241 :2000

Length of nut

T

mm

15 15 16

18 20 22

24 25 27

30 31 34

Table 18 - Socket union

n

A P

Socket union with flat seat

n

A

Socket union with taper seat

NOTE Other external forms of nut and ends are permissible provided that the dimensions in tables are maintained.

O BSI 07-2000


STD.BSI BS EN 10241-ENGL 2000 3624bbî 0856438 704

Nominal size

DN

6 8

10

15 20 25

32 40 50

65 80

1 O0

125 150

1) The tolerance on

Page 23 EN 10241 :2000

Width across flats Thickness

W” T Tolerance

mrn rnrn rnm

17,O 6 3 19,o 6,s 24,O 7,O

30,O 8,O +1,5 36,O 9,o 0 41 ,O 93

50,O 11,o 60,O 12,o 70,O 13,O

90,o 17,O 100,o 21 ,o 130,O 22,o

+3,0 0

160,O 24,O 190,o 25,O

width across the Rat (W) is 10,8 rnm.

Table 19 - Hexagon backnut

O BSI 07-2000

~


STD.BSI BS EN L024L-ENGL 2000 111 Lb24bb7 0858439 640 E

Nominal size Overall length

DN A

mm

6 19 8 24

10 27

15 37 20 38 25 44

32 51 40 54 50 60

65 67 80 73 1 O0 86

125 98 150 98

Page 24 EN 10241 2000

Minimum thickness

r mrn

3,5 3,5 3,5

4,0 4 0 4,5

5,0 5,5 6,0

6,0 7,0 7,0

7,5 83

Table 20 - Cap

NOTE A flat or domed cap may be supplied at the option of the manufacturer.

O BSI 07-2000


STD.BS1 BS EN 10241-ENGL 2000 Lb24669 0858440 362 - Page 25

EN 10241 :2000

Table 21 - Longscrew

--_-

- -

Parallel thread in accordance with IS0 7-1. Taper thread in accordance with IS0 7-1.

Single longscrew

II I I II

Parallel thread in accordance with IS0 7-1.

Double longscrew

(to be continuec

O BSI 07-2000


~~

STD-BSI BS EN LOZ43-ENGL ZOOU Lb24bb9 0858443 27’9

i Minimum useful

length of the long thread

Page 26 EN 10241 :2000

125 150

Table 21 (continued)

130 2501) 300’) 400 500 132 250’) 300” 400 500

Nominal size

DN

8 10

15 20 25

32 40 50

65 80 1 O0

B

rnm

Overall length

A

rnm

37 40

1 O0 150 200 250 100” 150 200 250

52 54 62

100’) 150 200 250 100’) 150 200 250 100’’ 150 200 250

I

70 71 82

1 50’) 200 250 300 1 50’) 200 250 300 1 50’) 200’) 250 300

97 106 121

1 501) 2501) 250 300 200” 250’) 300 400 200” 250’) 300 400

CAUTION Longscrews should only be used as complete assemblies because component parts of longscrews made by the same or different manufacturers, are not necessarily interchangeable.

NOTE 1 The longscrew parallel thread shall to be of such size, that the socket and backnut shall run on the longscrew, hand-tight, without perceptible shake.

NOTE 2 The socket on the longscrew shall abut the 5 degree angle of the backnut.

NOTE 3 Longscrews shall be made only from heavy tube.

O BSI 07-2000


~~ ~

STD-BSI BS EN 10241-ENGL 2000 Is lb24bb9 0858442 135 5

250 250 250

250 250 250

250 250 250

250 250 250

250 250

Page 27 EN 10241 :2000

300 300 300

300 300 300

300 300 300

300 300 400 300 400

300 400 500 300 400 500 -

Table 22 - Pipe nipple

Taper threads

Size

DN A

rnrn

120 150 120 150 120 150

180 180 180

120 150 120 150 120 150

180 180 180

200 200 200

200 200 200

200 200 200

I I I

150 120

180 180 180

180 180

200 200 200

200 200

O BSI 07-2000


STD-BSI BS EN Lû24L-ENGL 2000 II Lb24bb7 0858443 OïL

DN

8 10

15 20 25

32 40 50

65

I O0

125 150

ao

Page 28 EN 10241 2000

..

Table 23 - Running nipple, close nipple and barrel nipple

Running nipple

A Tolerance

mm mm

19 21

27 30 + I ,5 33

38 38 48

51 57 70

78 78

+3

Running nipple Close nipple Barrel nipple (parallel thread) (taper thread both ends) (taper thread both ends)

Close nipple Barrel nipple

B Tolerance C Tolerance

mm mm mm mm

+3 27 38 28 38

37 51 39 +I ,5 54 +4,5 46 60

51 70 51 70 60 79

69 89 102 114 +3 75

87

96 124 96 127

+6

+8

Nominal size I Overall length

O BSI 07-2000


STD.BSI BS EN 10241-ENGL 2000 1624669 0858444

Page 29 EN 10241 :2000

Table 24 - Bend and spring

A I

Qa

I Type 1A

Parallel thread length as for longscrew.

t- €

Return bend

(to be continued)

O BSI 07-2000


~~

STD-BSI BS EN L0241i-ENGL 2000 Is 2624667 0858445 7 4 4

112,5"

Page 30 EN 10241 :2000

135"

Table 24 (continued)

60 67 79 92 108 133 149 181 222 260 340 476 572

Bend

57 64 76 89

105 127 143 175 21 3 248 324 457 540

Nominal 90" Size

DN

Centre to face

A

mm

6

mrn

8 10 15 20 25 32 40 50 65 80

1 O0 125 150

64 73 86

102 121 146 165 203 248 292 38 1 540 622

92 105 127 143 168 197 21 9 264 32 1 37 1 467 632 71 8

Radius

R

mm

41 48 57 73 89

108 127 159 197 232 308 380 440

Spring Return bend

Centre to face

A mm

I

I I

157,550 C

mm

D

mm

54 60 73 86

102 124 140 168 206 241 31 8 444 527

51 64 89

102 114 127 165 190 305 356 457 762 914

64 70

102 121 140 152 178 210 292 330 400 578 692

NOTE 1 backnut.

Type I A bend shall only be made from heavy tube (see Table 6) and fitted with socket and

NOTE 2 The angular tolerance shall be as defined in 7.2.3.

NOTE 3 Ali threads are taper except where shown above.

NOTE 4 notes 1 and 2 of Table 21.

The end of type I A bend with parailed thread shall be manufactured in accordance with

O BSI 07-2000


STD.BSI BS EN L O 2 L i L - E N G L 2000 m 3624669 0858446 880 11

Nominal size

DN

Page 31 EN 10241 :2000

Designation of thread size/fitting size

Annex A (informati ve)

Thread designation and nominal size

80

Table A.l -Thread designation and nominal size

3

125

I 1 /2

5

1114

1 O0 4

150 6

O BSI 07-2000


BS EN 10241:2000

BSI 389 Chiswick High Road London w4 4AL

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